%0 Journal Article %A I. G. Khachatryan %T On the intuitive set theory and its formalization %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2008 %P 3-12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2008_2_a0/ %G ru %F UZERU_2008_2_a0